Description The Revelate Terrapin Drybag is sold as a replacement or spare for the modular Revelate Terrapin System. This drybag is made from welded, waterproof ripstop fabric with an air-purge valve to ensure compressibility. REVELATE TERRAPIN DRY BAG SPECS: 9L DRYBAG: weight = 110g 14L DRYBAG: weight = 170g